NGC 104 (Tuc), 47 Tuc

NGC 104 (Tuc), 47 Tuc

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Date/Site: 29. January 2014, Astrofarm at the Hacienda los Andes, Chile
Exposure/
Filter
LRGB: each channel 6 x 60 seconds,
and each channel 6 x 180 seconds (-20°C)
Camera: SBIG STL11000 with Astronomik type II-filters
Optics/
Instrument:
Astro-Physics 175mm f/8 StarFire EDF triplet refractor with flattener on AP1200 GTO
Guiding: Lodestar attached to a 61mm-finder,
focusing: Robofocus and FocusMax,
image acquisition: CCD-Commander and MaximDL 5,
calibration and processing: PixInsight 1.8

47 Tuc is the most beautiful globular cluster in the skies, although Omega Centauri is bigger. It's form reminds me of a thistle.

© Friedhelm Hübner, last revision:  20.08.2022